Democratic presidential candidate, former Maryland Gov. Martin O'Malley, speaks during the Iowa Federation of Labor AFL-CIO Presidential Forum, Thursday, Aug. 6, 2015, in Altoona, Iowa. (AP Photo/Charlie Neibergall)
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Democratic presidential candidate, former Maryland Gov. Martin O'Malley, speaks during the Iowa Federation of Labor AFL-CIO Presidential Forum, Thursday, Aug. 6, 2015, in Altoona, Iowa. (AP Photo/Charlie Neibergall)
